diff --git a/ietf/api/__init__.py b/ietf/api/__init__.py
index ff0b57bd3..22e596ece 100644
--- a/ietf/api/__init__.py
+++ b/ietf/api/__init__.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2014-2019, All Rights Reserved
+# Copyright The IETF Trust 2014-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -6,9 +6,8 @@ from __future__ import absolute_import, print_function, unicode_literals
 
 import datetime
 import re
-import six
 
-from six.moves.urllib.parse import urlencode
+from urllib.parse import urlencode
 
 from django.conf import settings
 from django.core.exceptions import ObjectDoesNotExist
@@ -82,7 +81,7 @@ class TimedeltaField(ApiField):
         if value is None:
             return None
 
-        if isinstance(value, six.string_types):
+        if isinstance(value, str):
             match = TIMEDELTA_REGEX.search(value)
 
             if match:
@@ -97,7 +96,7 @@ class TimedeltaField(ApiField):
         value = super(TimedeltaField, self).hydrate(bundle)
 
         if value and not hasattr(value, 'seconds'):
-            if isinstance(value, six.string_types):
+            if isinstance(value, str):
                 try:
                     match = TIMEDELTA_REGEX.search(value)
 
@@ -125,7 +124,7 @@ class ToOneField(tastypie.fields.ToOneField):
         if callable(self.attribute):
             previous_obj = bundle.obj
             foreign_obj = self.attribute(bundle)
-        elif isinstance(self.attribute, six.string_types):
+        elif isinstance(self.attribute, str):
             foreign_obj = bundle.obj
 
             for attr in self._attrs:
diff --git a/ietf/doc/expire.py b/ietf/doc/expire.py
index 985a2bd0f..863826b88 100644
--- a/ietf/doc/expire.py
+++ b/ietf/doc/expire.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2010-2019, All Rights Reserved
+# Copyright The IETF Trust 2010-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 # expiry of Internet Drafts
 
@@ -8,10 +8,9 @@ from __future__ import absolute_import, print_function, unicode_literals
 from django.conf import settings
 
 import datetime, os, shutil, glob, re
-import six
 from pathlib import Path
-if six.PY3:
-    from typing import List, Tuple      # pyflakes:ignore
+
+from typing import List, Tuple      # pyflakes:ignore
 
 from ietf.utils import log
 from ietf.utils.mail import send_mail
diff --git a/ietf/doc/factories.py b/ietf/doc/factories.py
index 466d32c72..49189a125 100644
--- a/ietf/doc/factories.py
+++ b/ietf/doc/factories.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2016-2019, All Rights Reserved
+# Copyright The IETF Trust 2016-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -8,9 +8,8 @@ import debug    # pyflakes:ignore
 import factory
 import factory.fuzzy
 import datetime
-import six
-if six.PY3:
-    from typing import Optional         # pyflakes:ignore
+
+from typing import Optional         # pyflakes:ignore
 
 from django.conf import settings
 
diff --git a/ietf/doc/fields.py b/ietf/doc/fields.py
index e4d1ed16d..cacd7d73d 100644
--- a/ietf/doc/fields.py
+++ b/ietf/doc/fields.py
@@ -5,7 +5,6 @@
 from __future__ import absolute_import, print_function, unicode_literals
 
 import json
-import six
 
 from django.utils.html import escape
 from django import forms
@@ -57,9 +56,9 @@ class SearchableDocumentsField(forms.CharField):
     def prepare_value(self, value):
         if not value:
             value = ""
-        if isinstance(value, six.integer_types):
+        if isinstance(value, int):
             value = str(value)
-        if isinstance(value, six.string_types):
+        if isinstance(value, str):
             items = self.parse_select2_value(value)
             # accept both names and pks here
             names = [ i for i in items if not i.isdigit() ]
diff --git a/ietf/doc/migrations/0016_set_document_docalias_fk.py b/ietf/doc/migrations/0016_set_document_docalias_fk.py
index e931f1306..3c4137167 100644
--- a/ietf/doc/migrations/0016_set_document_docalias_fk.py
+++ b/ietf/doc/migrations/0016_set_document_docalias_fk.py
@@ -1,11 +1,11 @@
-# Copyright The IETF Trust 2019, All Rights Reserved
+# Copyright The IETF Trust 2019-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.20 on 2019-05-08 14:04
 
 
 from __future__ import absolute_import, print_function, unicode_literals
 
-import six
+
 import sys
 
 from tqdm import tqdm
@@ -18,7 +18,7 @@ def forward(apps, schema_editor):
         n = getattr(o, a+'_id')
         if n:
             i = nameid[n]
-            if not isinstance(i, six.integer_types):
+            if not isinstance(i, int):
                 raise ValueError("Inappropriate value: %s: nameid[%s]: %s" % (o.__class__.__name__, n, i))
             if getattr(o, a+'2_id') != i:
                 setattr(o, a+'2_id', i)
diff --git a/ietf/doc/models.py b/ietf/doc/models.py
index d3dfe8bb5..eb99dca43 100644
--- a/ietf/doc/models.py
+++ b/ietf/doc/models.py
@@ -7,7 +7,6 @@ import logging
 import io
 import os
 import rfc2html
-import six
 
 from django.db import models
 from django.core import checks
@@ -412,7 +411,7 @@ class DocumentInfo(models.Model):
 
     def relations_that(self, relationship):
         """Return the related-document objects that describe a given relationship targeting self."""
-        if isinstance(relationship, six.string_types):
+        if isinstance(relationship, str):
             relationship = ( relationship, )
         if not isinstance(relationship, tuple):
             raise TypeError("Expected a string or tuple, received %s" % type(relationship))
@@ -435,7 +434,7 @@ class DocumentInfo(models.Model):
 
     def relations_that_doc(self, relationship):
         """Return the related-document objects that describe a given relationship from self to other documents."""
-        if isinstance(relationship, six.string_types):
+        if isinstance(relationship, str):
             relationship = ( relationship, )
         if not isinstance(relationship, tuple):
             raise TypeError("Expected a string or tuple, received %s" % type(relationship))
diff --git a/ietf/doc/tests.py b/ietf/doc/tests.py
index 0f7720c7e..95033ed77 100644
--- a/ietf/doc/tests.py
+++ b/ietf/doc/tests.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2012-2019, All Rights Reserved
+# Copyright The IETF Trust 2012-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -19,7 +19,7 @@ else:
 
 from six.moves.http_cookies import SimpleCookie
 from pyquery import PyQuery
-from six.moves.urllib.parse import urlparse, parse_qs
+from urllib.parse import urlparse, parse_qs
 from tempfile import NamedTemporaryFile
 
 from django.urls import reverse as urlreverse
diff --git a/ietf/doc/utils.py b/ietf/doc/utils.py
index 6fe946b87..f2f785a68 100644
--- a/ietf/doc/utils.py
+++ b/ietf/doc/utils.py
@@ -11,10 +11,9 @@ import json
 import math
 import os
 import re
-import six
 
 from collections import defaultdict
-from six.moves.urllib.parse import quote
+from urllib.parse import quote
 
 from django.conf import settings
 from django.contrib import messages
@@ -705,7 +704,7 @@ def get_initial_notify(doc,extra=None):
     receivers = []
 
     if extra:
-        if isinstance(extra, six.string_types):
+        if isinstance(extra, str):
             extra = extra.split(', ')
         receivers.extend(extra)
 
diff --git a/ietf/doc/views_doc.py b/ietf/doc/views_doc.py
index a3443003f..107b5d764 100644
--- a/ietf/doc/views_doc.py
+++ b/ietf/doc/views_doc.py
@@ -43,7 +43,7 @@ import json
 import os
 import re
 
-from six.moves.urllib.parse import quote
+from urllib.parse import quote
 
 from django.http import HttpResponse, Http404 , HttpResponseForbidden
 from django.shortcuts import render, get_object_or_404, redirect
diff --git a/ietf/doc/views_status_change.py b/ietf/doc/views_status_change.py
index 271f4086e..50d4ffe4d 100644
--- a/ietf/doc/views_status_change.py
+++ b/ietf/doc/views_status_change.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2012-2019, All Rights Reserved
+# Copyright The IETF Trust 2012-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -8,9 +8,8 @@ import datetime
 import io
 import os
 import re
-import six
-if six.PY3:
-    from typing import Dict             # pyflakes:ignore
+
+from typing import Dict             # pyflakes:ignore
 
 from django import forms
 from django.shortcuts import render, get_object_or_404, redirect
diff --git a/ietf/ipr/fields.py b/ietf/ipr/fields.py
index 6d11b1b3c..bdad3f972 100644
--- a/ietf/ipr/fields.py
+++ b/ietf/ipr/fields.py
@@ -5,7 +5,6 @@
 from __future__ import absolute_import, print_function, unicode_literals
 
 import json
-import six
 
 from django.utils.html import escape
 from django import forms
@@ -54,7 +53,7 @@ class SearchableIprDisclosuresField(forms.CharField):
     def prepare_value(self, value):
         if not value:
             value = ""
-        if isinstance(value, six.string_types):
+        if isinstance(value, str):
             pks = self.parse_select2_value(value)
             # if the user posted a non integer value we need to remove it
             for key in pks:
diff --git a/ietf/ipr/tests.py b/ietf/ipr/tests.py
index ff9e98cbc..4acc2d953 100644
--- a/ietf/ipr/tests.py
+++ b/ietf/ipr/tests.py
@@ -8,7 +8,7 @@ import datetime
 
 
 from pyquery import PyQuery
-from six.moves.urllib.parse import quote
+from urllib.parse import quote
 
 from django.urls import reverse as urlreverse
 
diff --git a/ietf/liaisons/fields.py b/ietf/liaisons/fields.py
index 1fe2afae0..ffed1cc54 100644
--- a/ietf/liaisons/fields.py
+++ b/ietf/liaisons/fields.py
@@ -5,7 +5,6 @@
 from __future__ import absolute_import, print_function, unicode_literals
 
 import json
-import six
 
 from django.utils.html import escape
 from django import forms
@@ -51,9 +50,9 @@ class SearchableLiaisonStatementsField(forms.CharField):
     def prepare_value(self, value):
         if not value:
             value = ""
-        if isinstance(value, six.integer_types):
+        if isinstance(value, int):
             value = str(value)
-        if isinstance(value, six.string_types):
+        if isinstance(value, str):
             pks = self.parse_select2_value(value)
             value = self.model.objects.filter(pk__in=pks)
         if isinstance(value, LiaisonStatement):
diff --git a/ietf/nomcom/tests.py b/ietf/nomcom/tests.py
index f757ea570..44c975e01 100644
--- a/ietf/nomcom/tests.py
+++ b/ietf/nomcom/tests.py
@@ -10,7 +10,7 @@ import random
 import shutil
 
 from pyquery import PyQuery
-from six.moves.urllib.parse import urlparse
+from urllib.parse import urlparse
 
 from django.db import IntegrityError
 from django.db.models import Max
diff --git a/ietf/person/fields.py b/ietf/person/fields.py
index 77246ac29..7f4fdbfb6 100644
--- a/ietf/person/fields.py
+++ b/ietf/person/fields.py
@@ -5,10 +5,9 @@
 from __future__ import absolute_import, print_function, unicode_literals
 
 import json
-import six
 
 from collections import Counter
-from six.moves.urllib.parse import urlencode
+from urllib.parse import urlencode
 
 from django import forms
 from django.core.validators import validate_email
@@ -90,7 +89,7 @@ class SearchablePersonsField(forms.CharField):
     def prepare_value(self, value):
         if not value:
             value = ""
-        if isinstance(value, six.string_types):
+        if isinstance(value, str):
             pks = self.parse_select2_value(value)
             if self.model == Person:
                 value = self.model.objects.filter(pk__in=pks)
diff --git a/ietf/person/models.py b/ietf/person/models.py
index 8e99c5cce..6a1f0bf6f 100644
--- a/ietf/person/models.py
+++ b/ietf/person/models.py
@@ -11,7 +11,7 @@ import six
 import uuid
 
 from hashids import Hashids
-from six.moves.urllib.parse import urljoin
+from urllib.parse import urljoin
 
 from django.conf import settings
 from django.contrib.auth.models import User
@@ -108,7 +108,7 @@ class Person(models.Model):
         may be an object or the group acronym."""
         if group:
             from ietf.group.models import Group
-            if isinstance(group, six.string_types):
+            if isinstance(group, str):
                 group = Group.objects.get(acronym=group)
             e = Email.objects.filter(person=self, role__group=group, role__name=role_name)
         else:
diff --git a/ietf/review/mailarch.py b/ietf/review/mailarch.py
index b56ec3355..7c6dcf215 100644
--- a/ietf/review/mailarch.py
+++ b/ietf/review/mailarch.py
@@ -17,7 +17,7 @@ import hashlib
 import base64
 import email.utils
 
-from six.moves.urllib.parse import urlencode
+from urllib.parse import urlencode
 from urllib.request import urlopen
 
 import debug                            # pyflakes:ignore
diff --git a/ietf/secr/proceedings/proc_utils.py b/ietf/secr/proceedings/proc_utils.py
index c8cd6323b..6ca49eace 100644
--- a/ietf/secr/proceedings/proc_utils.py
+++ b/ietf/secr/proceedings/proc_utils.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2013-2019, All Rights Reserved
+# Copyright The IETF Trust 2013-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -13,7 +13,7 @@ import datetime
 import os
 import re
 import subprocess
-from six.moves.urllib.parse import urlencode
+from urllib.parse import urlencode
 
 import debug        # pyflakes:ignore
 
diff --git a/ietf/sync/rfceditor.py b/ietf/sync/rfceditor.py
index ce74a5b7b..a257b8f70 100644
--- a/ietf/sync/rfceditor.py
+++ b/ietf/sync/rfceditor.py
@@ -9,7 +9,7 @@ import datetime
 import re
 
 from urllib.request import Request, urlopen
-from six.moves.urllib.parse import urlencode
+from urllib.parse import urlencode
 from xml.dom import pulldom, Node
 
 from django.conf import settings
diff --git a/ietf/utils/fields.py b/ietf/utils/fields.py
index 8663cab58..ec2e5b3e7 100644
--- a/ietf/utils/fields.py
+++ b/ietf/utils/fields.py
@@ -1,11 +1,10 @@
-# Copyright The IETF Trust 2012-2019, All Rights Reserved
+# Copyright The IETF Trust 2012-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
 from __future__ import absolute_import, print_function, unicode_literals
 
 import datetime
-import six
 import re
 
 import debug                            # pyflakes:ignore
@@ -23,7 +22,7 @@ class MultiEmailField(forms.Field):
         if not value:
             return []
 
-        if isinstance(value, six.string_types):
+        if isinstance(value, str):
             values = value.split(',')
             return [ x.strip() for x in values if x.strip() ]
         else:
diff --git a/ietf/utils/log.py b/ietf/utils/log.py
index 79fc27079..8599291fe 100644
--- a/ietf/utils/log.py
+++ b/ietf/utils/log.py
@@ -8,10 +8,9 @@ import sys
 import logging
 import inspect
 import os.path
-import six
 import traceback
-if six.PY3:
-    from typing import Callable         # pyflakes:ignore
+
+from typing import Callable         # pyflakes:ignore
 
 try:
     import syslog
diff --git a/ietf/utils/mail.py b/ietf/utils/mail.py
index e535e6921..eb186610a 100644
--- a/ietf/utils/mail.py
+++ b/ietf/utils/mail.py
@@ -8,7 +8,6 @@ import copy
 import datetime
 #import logging
 import re
-import six
 import smtplib
 import sys
 import textwrap
@@ -38,8 +37,7 @@ import ietf
 from ietf.utils.log import log, assertion
 from ietf.utils.text import isascii
 
-if six.PY3:
-    from typing import Any, Dict, List  # pyflakes:ignore
+from typing import Any, Dict, List  # pyflakes:ignore
 
 # Testing mode:
 # import ietf.utils.mail
@@ -228,13 +226,7 @@ def formataddr(addrtuple):
     address field.  Does what's needed, and returns a string value suitable for
     use in a To: or Cc: email header field.
     """
-    if six.PY2:
-        name, addr = addrtuple
-        if name and not isascii(name):
-            name = str(Header(name, 'utf-8'))
-        return simple_formataddr((name, addr))
-    else:
-        return simple_formataddr(addrtuple)
+    return simple_formataddr(addrtuple)
 
 def parseaddr(addr):
     """
@@ -245,7 +237,7 @@ def parseaddr(addr):
 
     """
 
-    addr = ''.join( [ ( s.decode(m) if m else s.decode()) if isinstance(s, six.binary_type) else s for (s,m) in decode_header(addr) ] )
+    addr = ''.join( [ ( s.decode(m) if m else s.decode()) if isinstance(s, bytes) else s for (s,m) in decode_header(addr) ] )
     name, addr = simple_parseaddr(addr)
     return name, addr
 
@@ -477,7 +469,7 @@ def send_mail_preformatted(request, preformatted, extra={}, override={}):
 def send_mail_message(request, message, extra={}):
     """Send a Message object."""
     # note that this doesn't handle MIME messages at the moment
-    assertion('isinstance(message.to, six.string_types) and isinstance(message.cc, six.string_types) and isinstance(message.bcc, six.string_types)')
+    assertion('isinstance(message.to, str) and isinstance(message.cc, str) and isinstance(message.bcc, str)')
 
     e = extra.copy()
     if message.reply_to:
@@ -627,8 +619,5 @@ def get_email_addresses_from_text(text):
     
 
 def get_payload(msg, decode=False):
-    if six.PY2:
-        return msg.get_payload(decode=decode).decode(msg.get_content_charset('utf-8'))
-    else:
-        return msg.get_payload(decode=decode)
+    return msg.get_payload(decode=decode)
         
diff --git a/ietf/utils/management/commands/coverage_changes.py b/ietf/utils/management/commands/coverage_changes.py
index 9058fc790..38660836b 100644
--- a/ietf/utils/management/commands/coverage_changes.py
+++ b/ietf/utils/management/commands/coverage_changes.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2015-2019, All Rights Reserved
+# Copyright The IETF Trust 2015-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -8,7 +8,6 @@ import gzip
 import io
 import json
 import os
-import six
 
 from difflib import ndiff
 
@@ -61,7 +60,7 @@ class Command(BaseCommand):
     valid_sections = ['template', 'url', 'code']
 
     def read_coverage(self, filename, version=None):
-        if isinstance(filename, six.string_types):
+        if isinstance(filename, str):
             try:
                 if filename.endswith(".gz"):
                     file = gzip.open(filename, "rb")
diff --git a/ietf/utils/management/commands/create_group_wikis.py b/ietf/utils/management/commands/create_group_wikis.py
index cf6d947d7..8c9caea8b 100644
--- a/ietf/utils/management/commands/create_group_wikis.py
+++ b/ietf/utils/management/commands/create_group_wikis.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2016-2019, All Rights Reserved
+# Copyright The IETF Trust 2016-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -8,7 +8,6 @@ import os
 import copy
 import io
 import pkg_resources
-import six
 import syslog
 
 from trac.core import TracError
@@ -334,7 +333,7 @@ class Command(BaseCommand):
         if not self.group_list is None:
             self.group_list = self.group_list.split('.')
 
-        if isinstance(self.verbosity, six.string_types) and self.verbosity.isdigit():
+        if isinstance(self.verbosity, str) and self.verbosity.isdigit():
             self.verbosity = int(self.verbosity)
 
         if self.dummy_run and self.verbosity < 2:
diff --git a/ietf/utils/management/commands/makefixture.py b/ietf/utils/management/commands/makefixture.py
index fbffb061f..35e99556e 100644
--- a/ietf/utils/management/commands/makefixture.py
+++ b/ietf/utils/management/commands/makefixture.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2013-2019, All Rights Reserved
+# Copyright The IETF Trust 2013-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 # From https://github.com/ericholscher/django-test-utils/blob/master/test_utils/management/commands/makefixture.py
 
@@ -45,8 +45,6 @@ python manage.py makefixture --format=xml --indent=4 YourModel[3] AnotherModel a
 #no support for generic relations
 #no support for one-to-one relations
 
-import six
-
 from django.core import serializers
 from django.core.management.base import CommandError
 from django.core.management.base import LabelCommand
@@ -110,7 +108,7 @@ class Command(LabelCommand):
 
         objects = []
         for model, slice in models:
-            if isinstance(slice, six.string_types) and slice:
+            if isinstance(slice, str) and slice:
                 objects.extend(model._default_manager.filter(pk__exact=slice))
             elif not slice or type(slice) is list:
                 items = model._default_manager.all()
diff --git a/ietf/utils/management/commands/populate_yang_model_dirs.py b/ietf/utils/management/commands/populate_yang_model_dirs.py
index 14c72d421..891fd362c 100644
--- a/ietf/utils/management/commands/populate_yang_model_dirs.py
+++ b/ietf/utils/management/commands/populate_yang_model_dirs.py
@@ -1,15 +1,15 @@
-# Copyright The IETF Trust 2016-2019, All Rights Reserved
+# Copyright The IETF Trust 2016-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
 from __future__ import absolute_import, print_function, unicode_literals
 
+import io
 import os
 import sys
 import time
 
 from pathlib2 import Path
-from six import StringIO
 from textwrap import dedent
 from xym import xym
 
@@ -66,8 +66,8 @@ class Command(BaseCommand):
         def extract_from(file, dir, strict=True):
             saved_stdout = sys.stdout
             saved_stderr = sys.stderr
-            xymerr = StringIO()
-            xymout = StringIO()            
+            xymerr = io.StringIO()
+            xymout = io.StringIO()            
             sys.stderr = xymerr
             sys.stdout = xymout
             model_list = []
diff --git a/ietf/utils/management/commands/tests.py b/ietf/utils/management/commands/tests.py
index 807141703..12c606b02 100644
--- a/ietf/utils/management/commands/tests.py
+++ b/ietf/utils/management/commands/tests.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2015-2019, All Rights Reserved
+# Copyright The IETF Trust 2015-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -6,7 +6,6 @@ from __future__ import absolute_import, print_function, unicode_literals
 
 import io
 import os
-import six
 import tempfile
 
 from django.core.management import call_command
@@ -90,7 +89,7 @@ class CoverageChangeTestCase(TestCase):
         lfh, latest = tempfile.mkstemp(suffix='.json')
         with io.open(latest, "w") as file:
             file.write(latest_txt)
-        output = six.StringIO()
+        output = io.StringIO()
         call_command('coverage_changes', master, latest, stdout=output)
         text = output.getvalue()
         os.unlink(master)
diff --git a/ietf/utils/migrations/0001_initial.py b/ietf/utils/migrations/0001_initial.py
index d8513c1a3..6311b8828 100644
--- a/ietf/utils/migrations/0001_initial.py
+++ b/ietf/utils/migrations/0001_initial.py
@@ -1,13 +1,11 @@
-# Copyright The IETF Trust 2018-2019, All Rights Reserved
+# Copyright The IETF Trust 2018-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 # Generated by Django 1.11.10 on 2018-02-20 10:52
 
 
 from __future__ import absolute_import, print_function, unicode_literals
 
-import six
-if six.PY3:
-    from typing import List, Tuple      # pyflakes:ignore
+from typing import List, Tuple      # pyflakes:ignore
 
 from django.db import migrations, models
 
diff --git a/ietf/utils/test_utils.py b/ietf/utils/test_utils.py
index f6ba32c3f..e14a57ee7 100644
--- a/ietf/utils/test_utils.py
+++ b/ietf/utils/test_utils.py
@@ -42,7 +42,7 @@ import email
 import html5lib
 import sys
 
-from six.moves.urllib.parse import unquote
+from urllib.parse import unquote
 
 from unittest.util import strclass
 from bs4 import BeautifulSoup
diff --git a/ietf/utils/tests.py b/ietf/utils/tests.py
index b11ce5a19..f4338b179 100644
--- a/ietf/utils/tests.py
+++ b/ietf/utils/tests.py
@@ -1,4 +1,4 @@
-# Copyright The IETF Trust 2014-2019, All Rights Reserved
+# Copyright The IETF Trust 2014-2020, All Rights Reserved
 # -*- coding: utf-8 -*-
 
 
@@ -7,10 +7,10 @@ from __future__ import absolute_import, print_function, unicode_literals
 import io
 import os.path
 import shutil
-import six
+import sys
 import types
-if six.PY3:
-    from typing import Dict, List       # pyflakes:ignore
+
+from typing import Dict, List       # pyflakes:ignore
 
 from email.mime.image import MIMEImage
 from email.mime.multipart import MIMEMultipart
@@ -282,7 +282,7 @@ class TemplateChecksTestCase(TestCase):
         r = self.client.get(url)        
         self.assertTemplateUsed(r, '500.html')
 
-@skipIf(six.PY3, "Trac not available for Python3 as of 14 Jul 2019")
+@skipIf(sys.version_info.major==3, "Trac not available for Python3 as of 14 Jul 2019")
 @skipIf(skip_wiki_glue_testing, skip_message)
 class TestWikiGlueManagementCommand(TestCase):
 
@@ -311,8 +311,8 @@ class TestWikiGlueManagementCommand(TestCase):
                         type__slug__in=['wg','rg','ag','area'],
                         state__slug='active'
                     ).order_by('acronym')
-        out = six.StringIO()
-        err = six.StringIO()
+        out = io.StringIO()
+        err = io.StringIO()
         call_command('create_group_wikis', stdout=out, stderr=err, verbosity=2,
             wiki_dir_pattern=self.wiki_dir_pattern,
             svn_dir_pattern=self.svn_dir_pattern,